GE P741

P74
x/EN PL/Na7
Programmable Logic
(PL)
7-
40
MiCOM P74
1, P742, P743
PL
Relay
DDB
No.
English Text Type Source Description
P743
125
CB Aux. A (52a)
PSL Output Signal
PSL
52-A (CB closed)
CB Auxiliary Input (phase A)
P743
126
CB Aux. A (52b)
PSL Output Signal
PSL
52-B (CB open)
CB Auxiliary Input (Phase A)
P743
127
CB Aux. B (52a)
PSL Output Signal
PSL
52-A (CB closed)
CB Auxiliary Input (phase B)
P743
128
CB Aux. B (52b)
PSL Output Signal
PSL
52-B (CB open)
CB Auxiliary Input (Phase B)
P743
129
CB Aux. C (52a)
PSL Output Signal
PSL
52-A (CB closed)
CB Auxiliary Input (phase C)
P743
130
CB Aux. C (52b)
PSL Output Signal
PSL
52-B (CB open)
CB Auxiliary Input (Phase C)
P743
332
CB Closed
PSL Input Signal
PSL
Circuit Breaker closed (not (CB Aux. (52b) AND
CB Aux. (52a)))
P743
333
CB Healthy
PSL Input Signal
PSL
Complement of ddb 121
P743
121
CB not available
PSL Output Signal
PSL
Circuit Breaker is not available to trip
P743
352
CB Status Alarm
PSL Input Signal
Scheme Integrity
Indication of discrepancy between the 52a and 52b
auxiliary contacts of the Circuit Breaker
P743
342
CB Status Forced
PSL Input Signal
Commissioning
CB status position forced open (by default) or
closed
P743
346
CB Trip 3 ph
PSL Input Signal
50BF Protection
Triphase Circuit Breaker Trip from CU (Init 50BF
TBF1 / TBF2), Logical OR of :
87BB, 50BF, Manual Trip Zone X
P743
347
CB Trip phase A
PSL Input Signal
50BF Protection
Phase A Circuit Breaker Trip (Init 50BF TBF3 /
TBF4), Logical OR of :
O/C Protection, External Trip A, External Trip 3ph
P743
348
CB Trip phase B
PSL Input Signal
50BF Protection
Phase B Circuit Breaker Trip (Init 50BF TBF3 /
TBF4), Logical OR of :
O/C Protection, External Trip B, External Trip 3ph
P743
349
CB Trip phase C
PSL Input Signal
50BF Protection
Phase C Circuit Breaker Trip (Init 50BF TBF3 /
TBF4), Logical OR of :
O/C Protection, External Trip C, External Trip 3ph
P743
289
CBAvailabToTrip
PSL Input Signal
Scheme Integrity
Circuit Breaker Healthy (Can Trip)
P743
173
CBF Ext Backtrip
PSL Input Signal
50BF Backtrip
Protection
Backtrip triphase due to a trip initiation (at tBF4)
P743
600
CBF I< Start A
PSL Output Signal
50BF Protection
Phase A undercurrent CBF Dead Pole Start
P743
601
CBF I< Start B
PSL Output Signal
50BF Protection
Phase B undercurrent CBF Dead Pole Start
P743
602
CBF I< Start C
PSL Output Signal
50BF Protection
Phase C undercurrent CBF Dead Pole Start
P743
603
CBF I> Start A
PSL Output Signal
50BF Protection
Phase A overcurrent CBF Dead Pole Start
P743
604
CBF I> Start B
PSL Output Signal
50BF Protection
Phase B overcurrent CBF Dead Pole Start
P743
605
CBF I> Start C
PSL Output Signal
50BF Protection
Phase C overcurrent CBF Dead Pole Start
P743
606
CBF I> Start N
PSL Output Signal
50BF Protection
Neutral overcurrent CBF Dead Pole Start
P743
172
CBF Int Backtrip
PSL Input Signal
50BF Backtrip
Protection
Backtrip triphase due to a trip initiation from CU (at
tBF2)
P743
297
CBNotAvailToTrip
PSL Input Signal
Scheme Integrity
Logical OR of ddb 121 and 270
P743
471
Comm2 H/W FAIL
PSL Input Signal
Second rear port
Second rear port Alarm
P743
265
Config Error
PSL Input Signal
Relay Integrity
Configuration Error
P743
266
Config Error
PSL Input Signal
Relay Integrity
Configuration Error
P743
264
Config OK
PSL Input Signal
Relay Integrity
Correct configuration
P743
267
Config. Valid
PSL Input Signal
Scheme Integrity
Valid Setting configuration
P743
356
Control Close
PSL Input Signal
Commissioning
Control Close command to the circuit breaker.
Operates for a manual close command (menu,
SCADA)
P743
608
Control Input 1
CONTROL
Control Input
Command
Control Input 1 - for SCADA and menu commands
into PSL
P743
639
Control Input 32
CONTROL
Control Input
Command
Control Input 32 - for SCADA and menu
commands into PSL
P743
357
Control Trip
PSL Input Signal
Commissioning
Control Trip
Operator trip instruction to the circuit breaker, via
menu, or SCADA. (Does not operate for protection
element trips)
P743
255
CT Fail IN
PSL Input Signal
Scheme Integrity
Internal PU CT failure
P743
306
Ctrl CB Close
PSL Input Signal
Manual Functionality
Manual closing order of the Circuit Breaker
P743
305
Ctrl CB Trip
PSL Input Signal
Manual Functionality
Manual Trip Order of the Circuit Breaker
P743
355
Ctrl Cls in Prog
PSL Input Signal
Commissioning
Control Close in Progress
The relay has been given an instruction to close
the circuit breaker, but the Manual Close timer
Delay has not yet finished timing out
P743
192
CU->PU Signal 01
PSL Input Signal
PSL
Virtual Signal 01 from the CU to the PU via the
fibre optic
P743
207
CU->PU Signal 16
PSL Input Signal
PSL
Virtual Signal 16 from the CU to the PU via the
fibre optic